Fitment Details: (1) Mount directly to handlebars with an outside diameter of 7/8" or 1". (2) Mount to existing bar ends with an O.D. of 7/8" or 1". (3) Compatible with all Highsider bar ends Overall height: 6.29" (16 cm); Depth head: .875" (20 mm); Stem length: 2.75" (70 mm) from head to bend and 4.52" (11.5 cm) to clamp end; Clamp outside diameter: 1.45" (37 mm) Unique design and aerodynamic function. MIRROR BAR END VICTORY